Prostaglandins are hormone-like compounds that can have a range of effects, from opening and closing blood vessels to causing menstrual cramps. Prostaglandins are compounds in the body made of fats ...

Erectile dysfunction (ED) is an inability to achieve or maintain an erection during sex or with sexual stimulation. It can affect people at any age but becomes more common as you age. ED affects about ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...